AP EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
Phosphorus reacts with \(\mathrm{SO}_2 \mathrm{Cl}_2\) to form \(\mathrm{PCl}_5\) and \(X\). At \(723 \mathrm{~K}, \mathrm{HCl}\) gas reacts with \(\mathrm{O}_2\) in the presence of \(\mathrm{CuCl}_2\) to form water and \(Y. Y\) reacts with \(X\) in water to form two acids \(A\) and \(B\). What are \(A\) and \(B\) respectively?
- A \(\mathrm{H}_2 \mathrm{SO}_4, \mathrm{HCl}\)
- B \(\mathrm{H}_2 \mathrm{SO}_4, \mathrm{HNO}_3\)
- C \(\mathrm{HCl}, \mathrm{HNO}_3\)
- D \(\mathrm{H}_2 \mathrm{SO}_4, \mathrm{H}_3 \mathrm{PO}_4\)
Answer & Solution
Correct Answer
(A) \(\mathrm{H}_2 \mathrm{SO}_4, \mathrm{HCl}\)
Step-by-step Solution
Detailed explanation
When thionyl chloride reacts with white phosphorus, phosphorus pentachloride and \(\mathrm{SO}_2\) is formed. \(\mathrm{P}_4+10 \mathrm{SO}_2 \mathrm{Cl}_2 \longrightarrow 4 \mathrm{PCl}_5+10 \mathrm{SO}_2(X)\) At \(723 \mathrm{~K}, \mathrm{HCl}\) gas reacts with…
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